Sayfa SayacWordPress extension · Dmry
CVE-2023-49778
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedDeserialization of Untrusted Data vulnerability in Hakan Demiray Sayfa Sayac.This issue affects Sayfa Sayac: from n/a through 2.6.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA deserialization vulnerability in the Sayfa Sayac PHP page counter plugin allows remote attackers to execute arbitrary code by supplying malicious serialized data. The plugin deserializes untrusted input without proper validation, likely through a user-supplied parameter that gets passed to PHP's unserialize() function.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
Sayfa SayacWordPress extension
<= 2.6CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Locate Dmry Sayfa Sayac plugin filesSearch the web server's document root for PHP files belonging to the Sayfa Sayac page counter plugin, such as files containing 'sayac' or 'sayfa' in their names or within a 'sayfa-sayac' directory.Affected if The plugin files are present on the server.
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Identify installed versionOpen the main plugin PHP file and look for a version variable, constant, or comment indicating the version number. Common locations include the main index file, a config file, or the plugin header comment block.Affected if The version is 2.6 or lower.
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Find unserialize() calls in plugin codeUse grep or a text search to locate all instances of 'unserialize' within the plugin directory.Affected if The plugin code contains calls to unserialize().
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Verify user input reaches unserialize()Examine the code paths leading to the unserialize() call. Trace back from the deserialization point to identify any GET, POST, or COOKIE parameters that flow into it without sanitization.Affected if User-supplied parameters from HTTP requests are passed directly to unserialize().
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Confirm the vulnerable parameter is accessibleIdentify which specific HTTP parameter feeds into the unserialize() call. Test whether this parameter can be controlled by an external request to the affected PHP script.Affected if An attacker-controlled HTTP parameter is passed to unserialize() without validation.
The environment is affected if Dmry Sayfa Sayac plugin version 2.6 or lower is installed and contains code where user input flows into PHP's unserialize() function.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataReplace unsafe deserialization with safer alternatives (e.g., JSON encoding) and implement strict input validation on all user-supplied data before processing. Update to the latest patched version when available.
Fix this in Sayfa Sayac
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-49778 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-49778 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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